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Study of the Midinfrared and CH-Stretching Regions of CH2[formula]13C[formula]CH2

✍ Scribed by F. Hegelund; H. Bürger; O. Polanz

Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
447 KB
Volume
175
Category
Article
ISSN
0022-2852

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✦ Synopsis

Infrared spectra of [2-13 C]allene (H 2 C| 13 C|CH 2 ) between 1300 and 3300 cm 01 covering the n 7 , n 9 / n 11 , 2 n 10 , n 6 , n 5 , and n 8 bands have been studied at a resolution of ca. 0.004 cm 01 . Spectroscopic constants are derived from single subband analysis of these bands and various perturbations are discussed. A detailed analysis of the n 7 /n 1 9 / n 1 11 band system is performed from a model taking into account Fermi resonance between n 7 and n 1 9 / n 1 11 , higher order anharmonic resonance between n 7 and 4n 2 11 , higher order anharmonic resonance between n 1 9 / n 1 11 and 4n 2 11 , and rotational l-type resonances within n 9 / n 11 . The 2n 10 band has been analyzed using a model taking into account rotational l-type resonances within 2n 10 and (x, y)-Coriolis interactions with n 4 / n 10 and n 7 / n 11 . Both analyses yield a number of spectroscopic constants for the levels included in the models as well as various interaction constants.

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